US2573149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-stage catalytic process for the reforming of gasoline
Assignee: Universal Oil Products Co
•
Filing: 1948-11-20
•
Granted: 1951-10-30
•
Expires: 1968-11-20
Abstract
No abstract record available.
Inventors
- 👤 Louis S Kassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:54
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G59/00; C10G59/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR REFORMING SATURATED HYDROCARBONS BOILING IN THE GASOLINE RANGE WHICH COMPRISES PASSING THE HYDROCARBONS SERIALLY THROUGH THREE SUCCESSIVE BODIES OF SOLID REFORMING CATALYST MAINTAINED AT FROM ABOUT 750* F. TO ABOUT 1000* F., MAINTAINING THE FIRST CATALYST BODY THE SERIES UNDER SUBSTANTIALLY ADIABATIC CONDITIONS AND THEREIN REMOVING DELETERIOUS CARBONFORMING CONSTITUENTS FROM THE HYDROCARBONS WITHOUT EFFECTING MORE THAN A SMALL AMOUNT OF REFORMING IN SAID FIRST BODY, SUBJECTING THE HYDROCARBONS TO ENDOTHERMIC AROMATIZATION IN THE
Claim 2
Dependent Claim
76 words
A PROCESS FOR REFORMING SATURATED HYDROCARBONS BOILING IN THE GASOLINE RANGE WHICH COMPRISES PASSING THE HYDROCARBONS SERIALLY THROUGH THREE SUCCESSIVE BODIES OF SOLID REFORMING CATALYST MAINTAINED AT FROM ABOUT 750* F. TO ABOUT 1000* F., MAINTAINING THE FIRST CATALYST BODY THE SERIES UNDER SUBSTANTIALLY ADIABATIC CONDITIONS AND THEREIN REMOVING DELETERIOUS CARBONFORMING CONSTITUENTS FROM THE HYDROCARBONS WITHOUT EFFECTING MORE THAN A SMALL AMOUNT OF REFORMING IN SAID FIRST BODY, SUBJECTING THE HYDROCARBONS TO ENDOTHERMIC AROMATIZATION IN THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |